Chester Harrison
NPI 1487107645 · Addiction (Substance Use Disorder) Counselor · Stockton, CA
Chester Harrison is a Addiction (Substance Use Disorder) Counselor provider in Stockton, CA (NPI 1487107645).
Provider details
- NPI number
- 1487107645
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 8626 Lower Sacramento RdStockton, CA 95210-1835Phone: (209) 478-2487
Registry dates
- Enumerated
- 2016-07-24
- Last updated
- 2018-03-17
Frequently asked questions
- What is Chester Harrison's NPI number?
- Chester Harrison's National Provider Identifier (NPI) is 1487107645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chester Harrison's specialty?
- Chester Harrison is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Chester Harrison located?
- Chester Harrison's practice location on file with NPPES is 1947 N California St Ste B&c, Stockton, CA 95204-6029.
- What is Chester Harrison's phone number?
- The practice phone number listed in the NPPES registry for Chester Harrison is (209) 463-0870.
- Is Chester Harrison's NPI active?
- Yes — Chester Harrison's NPI (1487107645) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.